Better command block commands

I think command blocks should have better commands like if your doing a parkor map and don't get how to use mc edit stuff you could have redstone set up with buttons and stuff linked up to 1 command block in the map and its command is tp @t that means tp triggering player it only dose the command to the player who triggered off the command block remember this is just a idea I think minecraft should have to make it easier to use command blocks